[video clip] >> we are all products of our experience and environment. i have been tempered by the experience about war. what war means, the consequences, who has to fight it. all of that experience is part of me and how i look at policy, how i look at our foreign policy and military policy, how i judge consequences, how the world sees us, their trust in our purpose in power. no question much of the questioning i have done about iraq and was tempered by the experience in vietnam. whenever i will ever do in my life -- whatever i will do in my life, those experiences shaped me, just like anyone who has gone through war. those experiences shape you very much. it makes you less inclined to jump into war. it is easy to get into war, not very easy to get out, as evidenced by the johnson tapes. you need to think through these things. diplomacy is critically important, especially in the complicated world we live in today. i think something else is important here and a lesson we learned from vietnam. what is going to be very important for america is not to isolat